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Awk script to quote all parameters for a given function name.

Posted on | June 10, 2007 | No Comments

I was trying to maintain a program that wrote 200+ lines to a single file, using a single repeated function call–many of which had all NULL parameters. There were also occasional loops involved. The data was position based, so NULL writes counted.

I was just trying to figure out:
  1. How many times a given function was called.
  2. At what position actual data occurred.
I created a stub function of the original offending function that logged to a file what # call this was and the data passed. Then I copied the offending functions’ caller and substituted offending function calls using this script, which quotes all passed parameters (note: already quoted parameters would need a little more work):

BEGIN {
OFS=","
}
/repeated_function_name/{

for(i=1; i<=NF; i++)
{
if(i==1)
{
sub("[(]", "(\"", $i);
}
else
{
sub("^[ ]*","\"", $i);
}
if(i==NF)
{
sub("[)]", "\")", $i);
}
else
{
sub("[ ]*$", "\"", $i);
}
}

print (.*?)
next;
}
{ print (.*?); }

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